Does it HAVE to be? No, I can figure out another way. But, since I usually use a pedal board, it makes that form factor a very appealing option. FWIW, I used its predecessor, the GLXD16, for couple of years and it never had an issue. That being said, I do get that 2.4 GHz band is only getting more crowded and what hasn't yet been a problem could likely become one in the near future.Does your upgrade need to be pedal board mountable?
I'm not sure going to as 2.4/5G combo will be flawless...
I'm not aware of other pedal board wireless systems that operate on something other than 2.4 and 5.8 GHz, but I'm all ears if you know of any.

